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Join Date: Jul 2001
Location: Thunder Bay, ON
Posts: 4,551
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Finally Dyno'd the 2.6
Well, I finally got over to the shop to dyno the 2.6 last week. In the fall, it was running really lean at the upper end. So after winter hibernation, I swapped some jets and got it pretty evened out.
Engine is a 2.6: Early aluminum case 66mm Counterweighted Crank 92mm Mahle P&C 2.2S Heads Early S Cams 40 mm Webers Twin Plugged with a Supertec distributor + Burns-Bros rotor Standard early heat exchangers Standard 2 in 1 out muffler Dyno chart - DIN HP, at wheels, corrected for altitude.  AF Ratio 
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1970 911E - track / weekend car 1970 911S - under restoration 1986 930 Slant Nose - fun car |
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05-10-2007, 06:45 PM
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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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Nice torque curve! I suspect you might pick up a bit on the low end if you can lean out the fuel curve at 3K. I can't tell if this is from accel pumps dumping too much fuel or the transision from idle to main jets.
I bet it revs very quick!
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Jamie - I can explain it to you. But I can not understand it for you. 71 911T SWT - Sun and Fun Mobile 72 911T project car. "Minne" - A tangy version of tangerine #projectminne classicautowerks.com - EFI conversion parts and suspension setups. IG Classicautowerks |
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05-11-2007, 06:22 AM
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Location: Thunder Bay, ON
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I was actually suprised at the torque curve myself - I was thinking it would be a bit peakier with the S cams. I may go down '5' in the size of main jets and see what that does to the AF ratio.
And yes, it revs like crazy!  AM
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1970 911E - track / weekend car 1970 911S - under restoration 1986 930 Slant Nose - fun car |
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05-11-2007, 05:04 PM
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Location: Thunder Bay, ON
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I for got to add - the 3k rich is the accel jets - I'm going to back them off just a bit.
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1970 911E - track / weekend car 1970 911S - under restoration 1986 930 Slant Nose - fun car |
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05-11-2007, 05:05 PM
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